[Numpy-discussion] numpy.linalg.qr bug on 64-bit platforms

Steffen Loeck steffen.loeck@gmx...
Mon Mar 5 01:01:54 CST 2007


Fernando Perez wrote:
> I recently got a report of a bug triggered only on 64-bit hardware,
> and on a machine (in case it's relevant) that runs python 2.5.  This
> is with current numpy SVN which I just rebuilt a moment ago to
> triple-check:
>
> In [3]: a = numpy.array([[1.0,2],[3,4]])
>
> In [4]: numpy.linalg.qr(a)
>  ** On entry to DGEQRF parameter number  2 had an illegal value
> sage[~]>  # dumped back at system prompt

Has there been any progress in solving this problem? I get the same error 
message and have no idea how to solve it.

Regards, Steffen


More information about the Numpy-discussion mailing list